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Alexander's Chapter2

frequency The number of times a item occurs
graph A visual way to display data
integers The whole number and there opposites
mean The sum of the numbers in a set of data divided by the number of pieces of data
average The sum of two or more quantities divided by the number the mean
measure of tendency Numbers that are used to described the center set of a data These measures include the mean median and mode
median The middle number in set of data are arranged in numerical order
mode The number or or item that appears most often in a set of data.
negative numbers A number that is less than zero.
opposites Number that are the same distance from zero in opposite directions.
outlier A value that is much higher or much lower than than the other values in a set of data
positive numbers A number that is greater than zero
range The difference between the greatest number and the least number in a set of data
stem and leaf plot A system used to condense a set of data
vertical axis The axis on which the scale and interval are shown in a bar or line graph
horizontal axis The axis on which the categories or values are shown in a bar and line graph
key A sample data point used to explain the stem and leaves in a stem and leaf plot
line graph A graph used to show how a set of data changed over a period of time
line plot A diagram that shows the frequency of data on a number line.
Created by: Alexander S.